M20*57 Track Bolt Nut for Excavators - China Suppliers & Factory for PC200-3, EX200-5, DH220, R220 Track Chains

• 1. Perfect Size Match – Standard 20*57 dimension ensures accurate fit for excavator track chain, stable assembly and no loosening during heavy-duty operation.
• 2. High Strength & Durability – Manufactured from premium hardened steel with excellent tensile strength, wear and vibration resistance for long service life.
• 3. Wide Brand Compatibility – Suitable for most mainstream excavator brands, offering reliable replacement for track chain maintenance and repair.
• 4. Complete Product Range – Hesen Industrial provides full series bolts and nuts for excavators and bulldozers, supporting one-stop wholesale and replacement supply.

Quanzhou Hesen Machinery Industry Co., Ltd. is more than just a manufacturer—we are a comprehensive partner integrating design, development, production, and sales. Since our founding in 1990, we have built a strong reputation across more than three decades of continuous operation. Our product range covers track rollers, carrier rollers, sprockets, idlers, track link assemblies, track shoes, bushings and pins, bucket teeth, and high-strength bolts and nuts. To support our global customers, we maintain large warehouses that enable fast delivery and reduce downtime. Whether you need standard replacement parts or customized solutions, our experienced team is ready to provide professional support. We understand the importance of reliability in heavy machinery components, and we take pride in delivering consistent quality. If you are looking for a trusted long-term supplier who can meet your diverse sourcing needs with efficiency and expertise, we warmly invite you to send us your inquiry. Let us show you what three decades of focused manufacturing can bring to your business.

• Q What is the standard size of this track bolt and nut?
  The track bolt and nut adopts a standard 20×57 dimension, which ensures an accurate and secure fit for excavator track chain assemblies without any loosening during heavy-duty operation.
• Q What material is used to manufacture the track bolt and nut?
  Our track bolts and nuts are manufactured from premium hardened steel, offering excellent tensile strength, wear resistance, and vibration resistance to ensure a long service life in demanding working conditions.
• Q Which excavator brands are compatible with this track bolt and nut?
  This track bolt and nut is suitable for most mainstream excavator brands on the market, making it a versatile and reliable replacement option for track chain maintenance and repair across various equipment types.
• Q Does Hesen provide other undercarriage parts besides bolts and nuts?
  Yes. Hesen Industrial offers a complete range of undercarriage components, including track rollers, carrier rollers, sprockets, idlers, track link assemblies, track shoes, bushings and pins, bucket teeth, and high-strength bolts and nuts for excavators and bulldozers.
• Q Can Hesen support bulk wholesale orders and fast delivery?
  Absolutely. Hesen maintains large warehouses stocked with a full series of products, enabling us to fulfill bulk wholesale orders efficiently and ensure fast delivery to reduce equipment downtime for our global customers.
• Q How long has Hesen been operating, and can they provide customized solutions?
  Hesen was founded in 1990 and has over three decades of manufacturing experience. In addition to standard replacement parts, our experienced team is fully capable of providing customized solutions to meet specific sourcing requirements from clients worldwide.